1202230023 has 4 divisors (see below), whose sum is σ = 1602973368. Its totient is φ = 801486680.

The previous prime is 1202230019. The next prime is 1202230049. The reversal of 1202230023 is 3200322021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202230023 - 2² = 1202230019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202229984 and 1202230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202230013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200371668 + ... + 200371673.

It is an arithmetic number, because the mean of its divisors is an integer number (400743342).

Almost surely, 2^1202230023 is an apocalyptic number.

1202230023 is a deficient number, since it is larger than the sum of its proper divisors (400743345).

1202230023 is an equidigital number, since it uses as much as digits as its factorization.

1202230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400743344.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1202230023 is about 34673.1888207589. The cubic root of 1202230023 is about 1063.3164265767.

Adding to 1202230023 its reverse (3200322021), we get a palindrome (4402552044).

The spelling of 1202230023 in words is "one billion, two hundred two million, two hundred thirty thousand, twenty-three".